Base | Representation |
---|---|
bin | 1000100110011… |
… | …01110110100101 |
3 | 12000202102011201 |
4 | 10103031312211 |
5 | 121432140331 |
6 | 11054202501 |
7 | 1534143121 |
oct | 423156645 |
9 | 160672151 |
10 | 72146341 |
11 | 377a7683 |
12 | 201b3431 |
13 | 11c40757 |
14 | 9820581 |
15 | 6501a61 |
hex | 44cdda5 |
72146341 has 2 divisors, whose sum is σ = 72146342. Its totient is φ = 72146340.
The previous prime is 72146329. The next prime is 72146357. The reversal of 72146341 is 14364127.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 37088100 + 35058241 = 6090^2 + 5921^2 .
It is an emirp because it is prime and its reverse (14364127) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 72146341 - 25 = 72146309 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72146311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36073170 + 36073171.
It is an arithmetic number, because the mean of its divisors is an integer number (36073171).
Almost surely, 272146341 is an apocalyptic number.
It is an amenable number.
72146341 is a deficient number, since it is larger than the sum of its proper divisors (1).
72146341 is an equidigital number, since it uses as much as digits as its factorization.
72146341 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4032, while the sum is 28.
The square root of 72146341 is about 8493.9002231013. The cubic root of 72146341 is about 416.2984271528.
The spelling of 72146341 in words is "seventy-two million, one hundred forty-six thousand, three hundred forty-one".
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